Blow Insulation Into Walls From Attic

Insulating a completed wall with an insulation blower is easy.

Blow insulation into walls from attic.

When you need to add insulation to an attic crawl space or walls of a home the fastest and most cost efficient method is to use blown in insulation. Insulation efficiently fills gaps. Some homes have a horizontal block midway between the top and bottom of a wall cavity. Handy homeowners can install blown in insulation in the attic.

A 10 x 10 area equal 100 square feet. We include blown in attic insulation pros and cons but we can t recommend blown in fiberglass or cellulose as your best insulating choice. Rotating teeth or prongs at the bottom of the hopper fluff up the cellulose. Materials can be layered for added protection.

Blowing insulation into walls is best left to the pros because it involves drilling into stud spaces that may contain electrical. Use a stud finder to locate each stud and any horizontal blocks that exist at or near the center of the wall s height. Densely packed bales of cellulose are fed into the hopper of an insulation blower powered by an electric motor. With a hole saw cut a small hole between 2 and 3 inches wide between two studs and near the top of the wall and place the cut portion aside you will reattach this later.

The cellulose is blown into the attic or walls through long flexible tubes that run from the blower to an application nozzle. Set the blower on a tarp on flat ground near the window or vent opening closest to the attic access. Then mark each stud center and horizontal blocks with blue masking tape. The blower should include two 50 ft.

2 thread the blower hose into the first hole and point the nozzle down deep into the wall cavity. Hoses that you can connect and snake into the attic. Repeat this step between each pair of studs. Atticat expanding blown in insulation is designed for your attic insulation project in new or existing homes.

Blown in insulation flows down around wall studs. Blown in fiberglass is considered flame resistant. The specially designed atticat machine conditions the insulation by adding millions of tiny air pockets that give the material its insulating power and energy saving r value over time. Simply enter your zip code and the square footage next click update and you will see a breakdown on what it should cost to have attic blown in insulation installed in your home.

Wrap a rag around the hose where it meets the wall to form a seal.